The DEFCON Warning System™

The World’s Only Public Nuclear Threat Advisory System. Independent, real-time analysis of global nuclear tensions. Since 1984.

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Russia

Why Vladimir Putin Would Use Nuclear Weapons in Ukraine

On October 23rd, the Russian defense minister, Sergei Shoigu, made phone calls to the defense ministers of four NATO member countries to ...
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Middle East

Iran Atomic Escalation Seen Hurtling Toward Dangerous Crisis

Iran’s rapidly expanding nuclear program and restrictions on international monitoring are hurtling toward another dangerous crisis while raising doubts over the Islamic ...
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Russia

Why Hasn’t Putin Gone Nuclear in Ukraine?

Will Russian president Vladimir Putin use nuclear weapons in his war against Ukraine? Putin’s constant nuclear threats have made this one of ...
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NATO

NATO allies wake up to Russian supremacy in the Arctic

The world’s largest satellite ground station, on the Svalbard archipelago off Norway, is used by Western space agencies to gather vital signals ...
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Ongoing Geointel and Analysis in the theater of nuclear war.

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© 2026 The DEFCON Warning System. Established 1984.

The DEFCON Warning System is a private intelligence organization which has monitored and assessed nuclear threats by national entities since 1984. It is not affiliated with any government agency and does not represent the alert status of any military branch. The public should make their own evaluations and not rely on the DEFCON Warning System for any strategic planning. At all times, citizens are urged to learn what steps to take in the event of a nuclear attack.